111321012227 has 2 divisors, whose sum is σ = 111321012228. Its totient is φ = 111321012226.

The previous prime is 111321012193. The next prime is 111321012233. The reversal of 111321012227 is 722210123111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111321012227 - 2¹⁰ = 111321011203 is a prime.

It is not a weakly prime, because it can be changed into another prime (111321012287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660506113 + 55660506114.

It is an arithmetic number, because the mean of its divisors is an integer number (55660506114).

Almost surely, 2^111321012227 is an apocalyptic number.

111321012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

111321012227 is an equidigital number, since it uses as much as digits as its factorization.

111321012227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 111321012227 its reverse (722210123111), we get a palindrome (833531135338).

The spelling of 111321012227 in words is "one hundred eleven billion, three hundred twenty-one million, twelve thousand, two hundred twenty-seven".